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C69710 Brass vs. 2024 Aluminum

C69710 brass belongs to the copper alloys classification, while 2024 aluminum belongs to the aluminum alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is C69710 brass and the bottom bar is 2024 aluminum.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
71
Elongation at Break, % 25
4.0 to 16
Poisson's Ratio 0.32
0.33
Shear Modulus, GPa 41
27
Shear Strength, MPa 300
130 to 320
Tensile Strength: Ultimate (UTS), MPa 470
200 to 540
Tensile Strength: Yield (Proof), MPa 230
100 to 490

Thermal Properties

Latent Heat of Fusion, J/g 240
390
Maximum Temperature: Mechanical, °C 160
200
Melting Completion (Liquidus), °C 930
640
Melting Onset (Solidus), °C 880
500
Specific Heat Capacity, J/kg-K 400
880
Thermal Conductivity, W/m-K 40
120
Thermal Expansion, µm/m-K 19
23

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
30
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
90

Otherwise Unclassified Properties

Base Metal Price, % relative 26
11
Density, g/cm3 8.3
3.0
Embodied Carbon, kg CO2/kg material 2.7
8.3
Embodied Energy, MJ/kg 44
150
Embodied Water, L/kg 310
1140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
20 to 68
Resilience: Unit (Modulus of Resilience), kJ/m3 250
70 to 1680
Stiffness to Weight: Axial, points 7.3
13
Stiffness to Weight: Bending, points 19
46
Strength to Weight: Axial, points 16
18 to 50
Strength to Weight: Bending, points 16
25 to 49
Thermal Diffusivity, mm2/s 12
46
Thermal Shock Resistance, points 16
8.6 to 24

Alloy Composition

Aluminum (Al), % 0
90.7 to 94.7
Arsenic (As), % 0.030 to 0.060
0
Chromium (Cr), % 0
0 to 0.1
Copper (Cu), % 75 to 80
3.8 to 4.9
Iron (Fe), % 0 to 0.2
0 to 0.5
Lead (Pb), % 0.5 to 1.5
0
Magnesium (Mg), % 0
1.2 to 1.8
Manganese (Mn), % 0 to 0.4
0.3 to 0.9
Silicon (Si), % 2.5 to 3.5
0 to 0.5
Titanium (Ti), % 0
0 to 0.15
Zinc (Zn), % 13.8 to 22
0 to 0.25
Zirconium (Zr), % 0
0 to 0.2
Residuals, % 0
0 to 0.15